/*   index.css    */

header{
      text-align:center;
      font-weight:bold;
      }

body{
	background-color:#d3d3d3;
    }

#s1{
    margin-top:2%;
    margin-left:auto;
    margin-right:auto;
    width:600px;
    background-color:white;
    border-style:solid;
    border-width:1px;
    border-color:#000;
    }

#s2{
    text-align:center;
    font-size:20px;
    }

nav{
    text-align:center;
    word-spacing:10px;
   }
   
footer{float:right;}